CN215106690U - Prefabricated square rafter structure and prefabricated square rafter eaves mouth structure of archaize building - Google Patents

Prefabricated square rafter structure and prefabricated square rafter eaves mouth structure of archaize building Download PDF

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Publication number
CN215106690U
CN215106690U CN202120954826.7U CN202120954826U CN215106690U CN 215106690 U CN215106690 U CN 215106690U CN 202120954826 U CN202120954826 U CN 202120954826U CN 215106690 U CN215106690 U CN 215106690U
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Prior art keywords
prefabricated square
square rafter
rafter
prefabricated
axial
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Expired - Fee Related
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CN202120954826.7U
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Chinese (zh)
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王伟锋
贾俊明
吴琨
马小瑜
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China Northwest Architecture Design and Research Institute Co Ltd
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China Northwest Architecture Design and Research Institute Co Ltd
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Abstract

The utility model discloses a prefabricated square rafter structure and the prefabricated square rafter eaves mouth structure of archaize building relates to the building component field of modelizing after an antique for solve the big and industrial period of the cast-in-place square rafter degree of difficulty of being under construction, and the complicated problem of cast-in-place square rafter eaves mouth structure construction. The prefabricated square rafter structure comprises a prefabricated square rafter, wherein a first steel bar assembly is arranged in the prefabricated square rafter, and the first steel bar assembly comprises a plurality of first axial steel bars which are distributed in parallel and a plurality of opening stirrups which are distributed in parallel; each first axial reinforcing steel bar is distributed along the length direction of the prefabricated square rafter, and one end of each first axial reinforcing steel bar extends out of the end surface of the inner side of the prefabricated square rafter; each opening stirrup extends upwards along the opening direction of the opening stirrup and is anchored into a cast-in-place cornice plate arranged above the prefabricated square rafters; each open stirrup is perpendicular to and in lap joint with each first axial reinforcement. The utility model provides a prefabricated square rafter structure can be at the direct location installation of eaves mouth structure construction time, no longer need to prop up formwork and cast-in-place construction alone prefabricated square rafter, and the construction is simple, convenient and the time limit for a project weak point.

Description

Prefabricated square rafter structure and prefabricated square rafter eaves mouth structure of archaize building
Technical Field
The application relates to archaize building element technical field especially relates to a prefabricated square rafter structure and the prefabricated square rafter eaves mouth structure of archaize building.
Background
As a precious cultural resource in the world building treasury, the Chinese ancient building has a unique building style and a beautiful and elegant shape, and can beautify the environment and decorate the city. However, ancient Chinese buildings are all wood structures, the wood structures have the defects of easy corrosion, easy moth damage and the like, and can cause huge consumption of wood resources, and modern building members are required to replace the wood structures to construct the antique buildings.
At present, the archaize building mainly replaces a wooden structure with reinforced concrete, namely, the structural members (such as eave rafters, fly rafters and the like) with the archaize style formed by pouring reinforced concrete can not only obtain the vivid effect of archaize pouring, but also overcome the defects of the wooden structure.
However, the reinforced concrete members of the pseudo-classic architecture are generally constructed in a cast-in-place manner, the construction difficulty is high, the construction period is long, and particularly, the reinforced concrete members as the small decorative members need a large amount of templates to be cut and processed and cannot be reused, and a large amount of woodworkers are needed to process and install the templates, so that the construction cost is increased. Meanwhile, when the cornice plate and the square rafters form the cornice structure in a pouring mode, the processes of constructing the formwork and binding the reinforcing steel bars are complex.
SUMMERY OF THE UTILITY MODEL
First aspect, this application embodiment has solved the big and long technical problem of construction period of the big degree of difficulty of cast-in-place square rafter construction through providing a prefabricated square rafter structure.
In the second aspect, this application embodiment has solved the complicated technical problem of cast-in-place square rafter eaves mouth structure construction through providing a prefabricated square rafter eaves mouth structure of archaize building.
In order to achieve the technical purpose, the embodiment of the application adopts the following technical scheme:
in a first aspect, an embodiment of the present application provides a prefabricated square rafter structure, including a prefabricated square rafter;
a first steel bar assembly is arranged in the prefabricated square rafters and comprises a plurality of first axial steel bars which are distributed in parallel and a plurality of opening stirrups which are distributed in parallel;
each first axial reinforcing steel bar is distributed along the length direction of the prefabricated square rafter, and one end of each first axial reinforcing steel bar extends out of the end face of the inner side of the prefabricated square rafter; each opening stirrup extends upwards along the opening direction of the opening stirrup and is anchored into a cast-in-place cornice plate arranged above the prefabricated square rafters; each open stirrup is perpendicular to each first axial reinforcing steel bar and is in lap joint with each first axial reinforcing steel bar.
With reference to the first aspect, as a further improvement of the embodiment of the present application, the prefabricated square rafter structure further includes tie bars;
every all be equipped with between two kidney muscle of opening stirrup the drawknot reinforcing bar, the both ends of drawknot reinforcing bar overlap joint respectively in on two kidney muscle of opening stirrup, and every drawknot reinforcing bar all is located in the prefabricated square rafter.
With reference to the first aspect, as a further improvement of the embodiment of the present application, an anti-slip structure is provided on an end surface of the prefabricated square rafter facing the opening direction of the opening stirrup.
With reference to the first aspect, as a further improvement of the embodiment of the present application, the non-slip structure includes a structure formed by a roughening process.
In a second aspect, the embodiment of the application provides a prefabricated square rafter cornice structure of an antique building, which comprises a reinforced concrete beam, a cast-in-place cornice plate and a plurality of prefabricated square rafter structures;
the prefabricated square rafter structures are arranged in parallel at intervals at the same height, and the end part of the inner side of each prefabricated square rafter structure is installed on the reinforced concrete beam;
pouring the upper surfaces of the prefabricated square rafter structures arranged at intervals to form the cast-in-place cornice plate, wherein one end of the cast-in-place cornice plate is connected to the reinforced concrete beam;
a second steel bar assembly is pre-buried in the cast-in-place cornice plate and comprises a plurality of second axial steel bars distributed in parallel and a plurality of transverse steel bars distributed in parallel;
the horizontal projection of each second axial reinforcing steel bar extends towards the length direction of the prefabricated square rafters and is in lap joint with each opening stirrup.
As a further improvement of the embodiment of the application, each transverse steel bar and each second axial steel bar are mutually perpendicular and are in lap joint.
As a further improvement of the embodiment of the application, the ends of the first axial reinforcing steel bar, the second axial reinforcing steel bar and the opening stirrup are provided with hook structures.
Compared with the prior art, the beneficial effects or advantages of the embodiment of the application include:
the embodiment of the application provides a prefabricated square rafter structure, through bury a plurality of length direction parallel distribution and one end along prefabricated square rafter in prefabricated square rafter and stretch out the first axial reinforcement and a plurality of parallel distribution of the medial surface of prefabricated square rafter and follow its opening direction upwards extend with the anchor go into the opening stirrup in the cast-in-place eaves mouth board that prefabricated square rafter top set up, and make every opening stirrup all perpendicular and lap joint with every first axial reinforcement, thereby carry out the prefabricated square rafter of location installation when eaves mouth structure construction can, no longer need cast-in-place square rafter structure, the construction is simple, convenience and time limit for a project are short.
The embodiment of the application provides a prefabricated square rafter eaves mouth structure of pseudo-classic architecture, the prefabricated square rafter structure that sets up at a plurality of parallel intervals of reinforced concrete beam installation, and pour the cast-in-place eaves mouth board that forms the connecting reinforced concrete beam at the upper surface of the prefabricated square rafter structure that a plurality of intervals set up, and bury a plurality of horizontal projection in cast-in-place eaves mouth board and extend and overlap joint in the second axial reinforcing bar of every opening stirrup towards the length direction of prefabricated square rafter, thereby when realizing the molding effect of pseudo-classic architecture eaves mouth structure, cast-in-place square rafter and eaves mouth board simultaneously no longer need, the formwork amount and the reinforcement volume of construction have been reduced, construction process is simplified, and construction efficiency is improved.
More than synthesizing, the prefabricated square rafter structure and the prefabricated square rafter eaves mouth structure of archaize building that this application embodiment provided through prefabricated square rafter structure in advance and at the cast-in-place formation eaves mouth board of square rafter structural upper surface to formwork volume and reinforcement volume when having reduced the construction of archaize building eaves mouth structure have realized the simplification of construction process and the improvement of efficiency of construction.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings used in the description of the embodiments will be briefly introduced below. It is obvious that the drawings in the following description are only some of the embodiments described in the present application, and that other drawings can be derived from these drawings by a person skilled in the art without inventive effort.
Fig. 1 is a perspective view of a square rafter structure according to an embodiment of the present disclosure;
FIG. 2 is a side view of a prefabricated square rafter cornice structure of an archaized building provided by the embodiment of the application;
fig. 3 is a cross-sectional view of the prefabricated square rafter cornice structure of archaize building that this application embodiment provided.
Reference numerals: 1-prefabricating a square rafter structure; 2-reinforced concrete beam; 3-casting cornice board in situ; 11-prefabricating a square rafter; 111-first axial rebar; 112-open stirrup; 113-tie bars; 114-a non-slip structure; 31-second axial rebar; 32-transverse reinforcement.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the embodiments of the present invention, it should be noted that the terms "upper" and "lower" indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the embodiments of the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. The term "connected" is to be understood broadly, for example, as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.
For solving the big and long period of construction degree of difficulty of cast-in-place square rafter to and the complicated technical problem of cast-in-place square rafter eaves mouth structure construction, this embodiment provides a prefabricated square rafter structure and the prefabricated square rafter eaves mouth structure of archaize building, please refer to fig. 1 to 3 together.
Referring to fig. 1 and fig. 3, the prefabricated square rafter structure 1 includes a prefabricated square rafter 11, and a first steel bar assembly is disposed in the prefabricated square rafter 11, and the first steel bar assembly includes a plurality of first axial steel bars 111 distributed in parallel and a plurality of open stirrups 112 distributed in parallel. Each first axial reinforcement 111 is distributed along the length direction of prefabricated square rafter 11, and one end of first axial reinforcement 111 extends out of the end surface of the inner side of prefabricated square rafter 11. Each of the opening stirrups 112 extends upward in the opening direction thereof to be anchored in a cast-in-place cornice slab disposed above the prefabricated square rafters 11. Each of the open stirrups 112 is perpendicular to and lap-jointed with each of the first axial rebars 111. The end surface of the inner side of the prefabricated square rafter 11 is the end surface of the prefabricated square rafter 11 close to the reinforced concrete beam when the prefabricated square rafter 11 is positioned and installed on the reinforced concrete beam.
The prefabricated square rafter structure 1 that this embodiment provided, through bury a plurality of length direction parallel distribution and one end along prefabricated square rafter 11 and stretch out prefabricated square rafter 11's first axial reinforcing bar 111 and a plurality of parallel distribution and follow its opening direction upwards extend with the anchor go into opening stirrup 112 in the cast-in-place eaves mouth board that prefabricated square rafter 11 top set up in prefabricated square rafter 11 interior prefabricated square rafter 11, and make every opening stirrup 112 all perpendicular and overlap joint with every first axial reinforcing bar 111, thereby it can to fix a position the installation when eaves mouth structure construction, no longer need cast-in-place square rafter structure 1, the construction is simple, convenience and time limit for a project are short.
This prefabricated square rafter structure 1 still includes tie bar 113, every all be equipped with between two kidney muscle of opening stirrup 112 tie bar 113, 113 both ends of tie bar overlap joint respectively in on two kidney muscle of opening stirrup 112, and every tie bar 113 all is located in prefabricated square rafter 11. In the present embodiment, the open stirrup 112 and the two lumbar bars are connected by the tie bars 113, so that the open stirrup 112 is prevented from bulging in the direction of the two lumbar bars, and the bearing capacity of the open stirrup 112 is enhanced.
An anti-slip structure 114 is disposed on an end surface of the prefabricated square rafter 11 facing the opening direction of the opening stirrup 112, so as to prevent the cornice plate 3 disposed on the end surface from being separated from the prefabricated square rafter structure 1.
The slip prevention structure 114 is a structure capable of increasing friction force of the end surface, and may be an irregular chiseled structure formed by chiseling the end surface of the prefabricated square rafter 11.
Referring to fig. 2 and 3 simultaneously, this prefabricated square rafter eaves mouth structure of archaize building includes reinforced concrete roof beam 2, cast-in-place eaves mouth board 3 and a plurality of prefabricated square rafter structure 1. A plurality of prefabricated square rafter structure 1 is parallel interval setting on same height, and every prefabricated square rafter structure 1's one end all install in on the reinforced concrete roof beam 2. The prefabricated square rafter structure 1's upper surface that a plurality of intervals set up is pour and is formed cast-in-place cornice board 3, just cast-in-place cornice board 3's one end connect in reinforced concrete roof beam 2. The pre-buried second reinforcing bar subassembly that is equipped with in cast-in-place cornice board 3, the second reinforcing bar subassembly includes a plurality of parallel distribution's second axial reinforcing bar 31 and a plurality of parallel distribution's horizontal reinforcing bar 32. The horizontal projection of each second axial reinforcement 31 extends towards the length direction of the prefabricated square rafter 11 and is in lap joint with each opening stirrup 112.
The embodiment of the application provides a prefabricated square rafter eaves mouth structure of pseudo-classic architecture, prefabricated square rafter structure 1 of a plurality of parallel intervals settings is installed at reinforced concrete roof beam 2, and pour the cast-in-place eaves mouth board 3 that forms connection reinforced concrete roof beam 2 at the upper surface of the prefabricated square rafter structure 1 of a plurality of intervals settings, and bury horizontal projection in cast-in-place eaves mouth board 3 and extend and overlap joint in the second axial reinforcing bar 31 of every opening stirrup 112 towards the length direction of prefabricated square rafter 11, thereby when realizing the molding effect of pseudo-classic architecture eaves mouth structure, cast-in-place square rafter and eaves mouth board simultaneously no longer need, the formwork amount and the reinforcement volume of construction have been reduced, construction process is simplified, and construction efficiency is improved.
It should be understood by those skilled in the art that the prefabricated square rafter structure 1 refers to a reinforced concrete square rafter member manufactured and formed on the ground by using a square rafter mold, and the main forming process comprises the following steps: installing a square rafter mould, binding a first axial reinforcing steel bar 11, an opening stirrup 12 and a tie reinforcing steel bar 113, pouring concrete, curing concrete, and dismantling the square rafter mould.
The first axial direction reinforcing bars 111 are reinforcing bar members distributed in parallel along the length direction of the prefabricated square rafters 11, and one end of each reinforcing bar member extends out of the inner side end face of the prefabricated square rafters 11. As shown in fig. 1, the number of the first axial direction reinforcing bars 111 is four, two of the first axial direction reinforcing bars 111 are located at the bottom elevation position of the prefabricated square rafter 11, the other two first axial direction reinforcing bars 111 are located at the boundary elevation position of the prefabricated square rafter 11 and the cast-in-situ cornice cast-in-situ slab 3, and each first axial direction reinforcing bar 111 is in lap joint with each opening stirrup 112. The first axial reinforcement 111 is embedded in the concrete rafter, so that the first axial reinforcement 111 and the concrete rafter can bear various stresses together, and pressure, bending moment and the like generated by the load of the prefabricated rafter 11 are enhanced.
It should be noted that the extension portion of the first axial reinforcing bar 111 extending out of the inner side end surface of the prefabricated square rafter 11 can be used for connecting the reinforced concrete beam 2, so as to facilitate the installation and positioning of the prefabricated square rafter 11, and the extension portion can extend into the reinforced concrete beam 2, so that the prefabricated square rafter structure 1 and the reinforced concrete beam 2 are connected into a whole, and the connection between the prefabricated square rafter structure 1 and the reinforced concrete beam 2 is enhanced.
The open stirrup 112 refers to a reinforcing steel bar member with an upward opening, a U-shaped shape and an unclosed upper opening. A plurality of opening stirrups 112 all distribute according to the same different length in prefabricated square rafter 11 of opening direction, and every opening stirrups 112 all is perpendicular and overlap joint with every first axial reinforcement 111, so that first axial reinforcement 111 forms "well" type with opening stirrups 112 and is connected, thereby strengthen being connected of first axial reinforcement 111 and opening stirrups 112, and first reinforcing bar subassembly and concrete square rafter's be connected, the pressure and the moment of flexure etc. that prefabricated square rafter structure 1 load produced have been improved.
It should be noted that, two waist bars of opening stirrup 112 extend upwards towards its opening direction and stretch out the terminal surface of prefabricated square rafter 11's direction of height, and the extension that stretches out the terminal surface of prefabricated square rafter 11's direction of height is used for the second axial reinforcing bar 31 of burying in the overlap joint eaves mouth board 3 to make prefabricated square rafter structure 1 and cast-in-place eaves mouth board 3 be connected and form wholly, strengthen the connection of prefabricated square rafter structure 1 and cast-in-place eaves mouth board 3.
The second axial direction reinforcing steel bar 31 is a reinforcing steel bar component which is distributed along the length direction of the prefabricated square rafter 11 in a horizontal projection mode, and the end portion, close to the reinforced concrete beam 2, of the second axial direction reinforcing steel bar extends out of the end face of the cast-in-place cornice plate 3 and hooks the reinforcing steel bar in the roof structure. A plurality of second axial reinforcing bars 31 may be distributed in parallel in cast-in-place cornice sheet 3, and may also be distributed in non-parallel in cast-in-place cornice sheet 3. Second axial reinforcing bar 31 buries underground in cast-in-place cornice board to make second axial reinforcing bar 31 can undertake various stresses with cast-in-place cornice board jointly, thereby strengthened pressure, pulling force and moment of flexure etc. that 3 loads of cast-in-place cornice board produced.
Continuing to refer to fig. 3, each transverse steel bar 32 is perpendicular to each second axial steel bar 31 and is in lap joint with the second axial steel bar 31, so that the second axial steel bars 31 and the transverse steel bars 32 embedded in the cast-in-place cornice plate 3 are connected with the opening stirrups 112 and the first axial steel bars 111 embedded in the prefabricated square rafter structure 1, the prefabricated square rafter structure 1 is fastened and connected with the cast-in-place cornice plate 3, and the stress performance of the large cantilever cornice plate is enhanced.
As an improvement of this embodiment, the extending ends of the first axial direction reinforcing bars 111, the open stirrups 112 and the second axial direction reinforcing bars 31 are provided with hook structures to facilitate the connection of the first axial direction reinforcing bars 111, the second axial direction reinforcing bars 31 and the reinforced concrete beam 2, and the connection of the open stirrups 112 and the second axial direction reinforcing bars 31.
In summary, the construction and installation of the prefabricated square rafter cornice structure of the archaize building provided by the embodiment includes the following steps:
s1: prefabricating a square rafter structure 1 in advance by using a square rafter mold, specifically, designing and assembling the square rafter mold according to the size specification of the prefabricated square rafter structure 1, then binding axial steel bars 111, opening stirrups 112 and tie steel bars 113 in the square rafter mold, pouring concrete to form the prefabricated square rafter structure 1, performing maintenance treatment, and removing the mold to obtain the formed prefabricated square rafter structure 1;
s2: positioning and installing a prefabricated square rafter structure 1, specifically, positioning and installing a plurality of spaced and parallel prefabricated square rafter structures 1 at the same height position of a reinforced concrete beam 2;
s3: cast-in-place eaves mouth board 3 specifically, lays 3 die blocks of eaves mouth board at the prefabricated square rafter structure 1's of a plurality of intervals and parallel upper surface to ligature second axial reinforcing bar 31 and horizontal reinforcing bar 32 in 3 die blocks of eaves mouth board, pour concrete shaping eaves mouth board 3 and give the maintenance and handle, the form removal can obtain fashioned prefabricated square rafter eaves mouth structure.
The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the present application; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art. The technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure.

Claims (7)

1. A prefabricated square rafter structure is characterized by comprising a prefabricated square rafter;
a first steel bar assembly is arranged in the prefabricated square rafters and comprises a plurality of first axial steel bars which are distributed in parallel and a plurality of opening stirrups which are distributed in parallel;
each first axial reinforcing steel bar is distributed along the length direction of the prefabricated square rafter, and one end of each first axial reinforcing steel bar extends out of the end face of the inner side of the prefabricated square rafter; each opening stirrup extends upwards along the opening direction of the opening stirrup and is anchored into a cast-in-place cornice plate arranged above the prefabricated square rafters; each open stirrup is perpendicular to each first axial reinforcing steel bar and is in lap joint with each first axial reinforcing steel bar.
2. The prefabricated square rafter structure of claim 1, further comprising tie bars;
every all be equipped with between two kidney muscle of opening stirrup the drawknot reinforcing bar, the both ends of drawknot reinforcing bar overlap joint respectively in on two kidney muscle of opening stirrup, and every drawknot reinforcing bar all is located in the prefabricated square rafter.
3. The prefabricated square rafter structure of claim 1, wherein the end surface of the prefabricated square rafter facing the opening of the opening stirrup is provided with an anti-slip structure.
4. Prefabricated square rafter structure according to claim 1, characterized in that the slip-resistant structure comprises a structure formed by a chiseling process.
5. A prefabricated square rafter cornice structure of an archaize building, which is characterized by comprising a reinforced concrete beam, a cast-in-place cornice plate and a plurality of prefabricated square rafter structures according to any one of claims 1 to 4;
the prefabricated square rafter structures are arranged in parallel at intervals at the same height, and the end part of the inner side of each prefabricated square rafter structure is installed on the reinforced concrete beam;
pouring the upper surfaces of the prefabricated square rafter structures arranged at intervals to form the cast-in-place cornice plate, wherein one end of the cast-in-place cornice plate is connected to the reinforced concrete beam;
a second steel bar assembly is pre-buried in the cast-in-place cornice plate and comprises a plurality of second axial steel bars distributed in parallel and a plurality of transverse steel bars distributed in parallel;
the horizontal projection of each second axial reinforcing steel bar extends towards the length direction of the prefabricated square rafters and is in lap joint with each opening stirrup.
6. The prefabricated rafter cornice structure of archaizing building of claim 5, wherein each transverse reinforcing bar is perpendicular to each second axial reinforcing bar and is lap-jointed with each second axial reinforcing bar.
7. The prefabricated rafter cornice structure of archaize building of claim 5, wherein the ends of the first axial direction reinforcing bar, the second axial direction reinforcing bar and the opening stirrup are provided with hook structures.
CN202120954826.7U 2021-05-07 2021-05-07 Prefabricated square rafter structure and prefabricated square rafter eaves mouth structure of archaize building Expired - Fee Related CN215106690U (en)

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CN202120954826.7U CN215106690U (en) 2021-05-07 2021-05-07 Prefabricated square rafter structure and prefabricated square rafter eaves mouth structure of archaize building

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Application Number Priority Date Filing Date Title
CN202120954826.7U CN215106690U (en) 2021-05-07 2021-05-07 Prefabricated square rafter structure and prefabricated square rafter eaves mouth structure of archaize building

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Granted publication date: 20211210